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1. data-analytics-portfolio data-analytics-portfolio Public

   Reproducible analytics case studies (SQL, Python, dashboards, and text insights)

2. ecommerce-behavior-analytics-bi ecommerce-behavior-analytics-bi Public

   Cleaned large-scale e-commerce behavior logs, built funnel/retention/category performance metrics, and presented them in a BI dashboard.

   Python

3. olist-sql-data-analysis olist-sql-data-analysis Public

   SQL-based analysis of Olist e-commerce data, focusing on sales structure and customer behavior

   Jupyter Notebook

4. ranking-strategy-lab ranking-strategy-lab Public

   Interactive workbench for designing, comparing, and explaining creator ranking algorithms — build candidate logics from behavioral signals, evaluate tradeoffs, document decisions

   JavaScript

5. sunscreen-review-unmet-needs sunscreen-review-unmet-needs Public

   Found unmet needs in sunscreen reviews using tagging + LLM

   Jupyter Notebook

6. web-sql-drill web-sql-drill Public

   Practice SQL against real PostgreSQL in your browser (PGlite), with problems generated by your local Claude Code.

   TypeScript